CN111645370A - Fiber fully-wound hydrogen storage bottle plastic inner container and forming method thereof - Google Patents
Fiber fully-wound hydrogen storage bottle plastic inner container and forming method thereof Download PDFInfo
- Publication number
- CN111645370A CN111645370A CN202010453630.XA CN202010453630A CN111645370A CN 111645370 A CN111645370 A CN 111645370A CN 202010453630 A CN202010453630 A CN 202010453630A CN 111645370 A CN111645370 A CN 111645370A
- Authority
- CN
- China
- Prior art keywords
- master batch
- hydrogen storage
- polyamide
- outer layer
- storage bottle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 51
- 239000001257 hydrogen Substances 0.000 title claims abstract description 51
- 238000003860 storage Methods 0.000 title claims abstract description 43
- 239000000835 fiber Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 17
- 229920003023 plastic Polymers 0.000 title claims abstract description 13
- 239000004033 plastic Substances 0.000 title claims abstract description 13
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 64
- 229920002292 Nylon 6 Polymers 0.000 claims abstract description 51
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 31
- 239000002216 antistatic agent Substances 0.000 claims abstract description 23
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 22
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 22
- 239000002270 dispersing agent Substances 0.000 claims abstract description 22
- 239000002981 blocking agent Substances 0.000 claims abstract description 20
- 239000007822 coupling agent Substances 0.000 claims abstract description 18
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims abstract description 14
- 239000004611 light stabiliser Substances 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims description 24
- 239000002131 composite material Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 7
- 239000004952 Polyamide Substances 0.000 claims description 6
- 229920002647 polyamide Polymers 0.000 claims description 6
- -1 3, 5-di-t-butyl-4-hydroxyphenyl Chemical group 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 5
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical group [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 claims description 5
- 238000005469 granulation Methods 0.000 claims description 5
- 230000003179 granulation Effects 0.000 claims description 5
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical group O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 5
- PPEBNJQPTSXRPP-UHFFFAOYSA-N 3-n,3-n-bis(2,2,6,6-tetramethylpiperidin-4-yl)benzene-1,3-dicarboxamide Chemical group C1C(C)(C)NC(C)(C)CC1N(C(=O)C=1C=C(C=CC=1)C(N)=O)C1CC(C)(C)NC(C)(C)C1 PPEBNJQPTSXRPP-UHFFFAOYSA-N 0.000 claims description 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 claims description 3
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims 1
- 150000001412 amines Chemical class 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 6
- 230000003647 oxidation Effects 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 230000003487 anti-permeability effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 115
- 230000032683 aging Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000012754 barrier agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000012611 container material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 150000008301 phosphite esters Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0017—Combinations of extrusion moulding with other shaping operations combined with blow-moulding or thermoforming
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a non-planar shape
- B32B1/08—Tubular products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/21—Anti-static
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/552—Fatigue strength
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/732—Dimensional properties
- B32B2307/734—Dimensional stability
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/40—Closed containers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010453630.XA CN111645370B (en) | 2020-05-26 | 2020-05-26 | Fiber fully-wound hydrogen storage bottle plastic inner container and forming method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010453630.XA CN111645370B (en) | 2020-05-26 | 2020-05-26 | Fiber fully-wound hydrogen storage bottle plastic inner container and forming method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111645370A true CN111645370A (en) | 2020-09-11 |
CN111645370B CN111645370B (en) | 2021-07-27 |
Family
ID=72352789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010453630.XA Active CN111645370B (en) | 2020-05-26 | 2020-05-26 | Fiber fully-wound hydrogen storage bottle plastic inner container and forming method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111645370B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113669618A (en) * | 2021-09-08 | 2021-11-19 | 江苏澳盛复合材料科技有限公司 | Plastic inner container of high-pressure gas storage bottle |
CN113881150A (en) * | 2021-11-04 | 2022-01-04 | 江苏金材科技有限公司 | Hydrogen storage bottle material with high polymer material inner container and preparation method thereof |
CN115214061A (en) * | 2022-06-20 | 2022-10-21 | 张家港氢云新能源研究院有限公司 | Rotational molding device and molding method for plastic inner container of high-pressure hydrogen storage bottle |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201561265U (en) * | 2009-12-02 | 2010-08-25 | 上海康巴赛特科技发展有限公司 | Hydrogen storage bottle of aluminum bladder fully wound by fibers |
CN205101850U (en) * | 2015-09-25 | 2016-03-23 | 石家庄安瑞科气体机械有限公司 | Compound shell structurre of full winding of large capacity high pressure hydrogen storage vessel |
CN107075251A (en) * | 2014-11-20 | 2017-08-18 | 东丽株式会社 | For the Amilan polyamide resin composition of products formed contacted with High Pressure Hydrogen and its products formed is used |
CN109571835A (en) * | 2019-01-21 | 2019-04-05 | 烟台方大滚塑有限公司 | A kind of high-pressure hydrogen storing tank liner molding equipment and moulding process |
CN109790377A (en) * | 2016-10-05 | 2019-05-21 | 全耐塑料高级创新研究公司 | Composite pressure vessel with single layer liner |
CN110511560A (en) * | 2018-05-21 | 2019-11-29 | 东丽先端材料研究开发(中国)有限公司 | A kind of hydrogen gas storage vessel with or hydrogen line Amilan polyamide resin composition |
CN209960209U (en) * | 2019-01-28 | 2020-01-17 | 烟台方大滚塑有限公司 | High-pressure hydrogen storage tank inner container |
CN111102465A (en) * | 2018-10-25 | 2020-05-05 | 中国石油化工股份有限公司 | High-pressure hydrogen storage cylinder with plastic liner wound with prepreg tape and manufacturing method thereof |
-
2020
- 2020-05-26 CN CN202010453630.XA patent/CN111645370B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201561265U (en) * | 2009-12-02 | 2010-08-25 | 上海康巴赛特科技发展有限公司 | Hydrogen storage bottle of aluminum bladder fully wound by fibers |
CN107075251A (en) * | 2014-11-20 | 2017-08-18 | 东丽株式会社 | For the Amilan polyamide resin composition of products formed contacted with High Pressure Hydrogen and its products formed is used |
CN205101850U (en) * | 2015-09-25 | 2016-03-23 | 石家庄安瑞科气体机械有限公司 | Compound shell structurre of full winding of large capacity high pressure hydrogen storage vessel |
CN109790377A (en) * | 2016-10-05 | 2019-05-21 | 全耐塑料高级创新研究公司 | Composite pressure vessel with single layer liner |
CN110511560A (en) * | 2018-05-21 | 2019-11-29 | 东丽先端材料研究开发(中国)有限公司 | A kind of hydrogen gas storage vessel with or hydrogen line Amilan polyamide resin composition |
CN111102465A (en) * | 2018-10-25 | 2020-05-05 | 中国石油化工股份有限公司 | High-pressure hydrogen storage cylinder with plastic liner wound with prepreg tape and manufacturing method thereof |
CN109571835A (en) * | 2019-01-21 | 2019-04-05 | 烟台方大滚塑有限公司 | A kind of high-pressure hydrogen storing tank liner molding equipment and moulding process |
CN209960209U (en) * | 2019-01-28 | 2020-01-17 | 烟台方大滚塑有限公司 | High-pressure hydrogen storage tank inner container |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113669618A (en) * | 2021-09-08 | 2021-11-19 | 江苏澳盛复合材料科技有限公司 | Plastic inner container of high-pressure gas storage bottle |
CN113881150A (en) * | 2021-11-04 | 2022-01-04 | 江苏金材科技有限公司 | Hydrogen storage bottle material with high polymer material inner container and preparation method thereof |
CN115214061A (en) * | 2022-06-20 | 2022-10-21 | 张家港氢云新能源研究院有限公司 | Rotational molding device and molding method for plastic inner container of high-pressure hydrogen storage bottle |
Also Published As
Publication number | Publication date |
---|---|
CN111645370B (en) | 2021-07-27 |
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Effective date of registration: 20211228 Address after: 312399 5th floor, Zhejiang University Network xinkechuang corridor, Cao'e street, Shangyu District, Shaoxing City, Zhejiang Province Patentee after: Institute of advanced research Wuhan University of technology Shangyu District Shaoxing City Address before: 430070 Hubei Province, Wuhan city Hongshan District Luoshi Road No. 122 Patentee before: WUHAN University OF TECHNOLOGY |
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TR01 | Transfer of patent right |
Effective date of registration: 20220216 Address after: 312000 No. 5, Zhenxing Avenue, Hangzhou Bay Economic and Technological Development Zone, Shangyu District, Shaoxing City, Zhejiang Province Patentee after: ZHEJIANG REIN GAS EQUIPMENT Co.,Ltd. Address before: 312399 5th floor, Zhejiang University Network xinkechuang corridor, Cao'e street, Shangyu District, Shaoxing City, Zhejiang Province Patentee before: Institute of advanced research Wuhan University of technology Shangyu District Shaoxing City |
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CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 312365 Hangzhou Bay Shangyu Economic and Technological Development Zone, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Lanneng Hydrogen Technology Co.,Ltd. Address before: 312000 No. 5, Zhenxing Avenue, Hangzhou Bay Economic and Technological Development Zone, Shangyu District, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG REIN GAS EQUIPMENT Co.,Ltd. |